Dixon Prairie at CBG Perennial forb to 1m high. Leaves clasping, opposite, ovate, entire. Stem leaves 20-30 pairs per plant. Herbage puberulent. Calyx 5, connate, fused into longitudinally ridged urn. Calyx teeth minute, to 2mm long. Corolla 5, entirebright red, petals elongate and clawed. Style = 3, stigmas = 10 and adnate to the corolla. Not common at site Flowering and Fruiting